package install.ren.exercise.test.function;

import java.util.function.Function;

/**
 * @author zhuyunhui
 * @date 2019-07-22 10:04
 */
public class DefFunction implements Function<String,String> {
   @Override
   public String apply(String s) {
        return String.format("[%s]",s);
    }
}
